Wiktionary
fenadiazole
n. A hypnotic drug with an oxadiazole-based structure.
Wikipedia
Fenadiazole
Fenadiazole (Hypnazol, Eudormil, Viodor) is a hypnotic drug with a unique oxadiazole-based structure. It used to be manufactured by the French pharmaceutical company Laboratoires Jacques Logeais.